[4] In 2003, Boros and his wife purchased a former Second World War bomb shelter, the Reichsbahnbunker in Mitte, Berlin.

[3][5] The gallery space of 30,000 square feet (2,800 m2) was designed by Realarchitektur, including the rooftop residential penthouse, and contained pieces that Boros had been collecting for over 30 years.

[4][6] The collection includes numerous works by Danh Vo, Elizabeth Peyton, Wolfgang Tillmans, Ai Weiwei, Thomas Ruff, Klara Lidén, Anselm Reyle, Tobias Rehberger and Olafur Eliasson.

[7] Boros' bunker was built in 1943 by the architect Karl Bonatz on the orders of Adolf Hitler.

[4] Boros bought a building which was home to a children dancing school for twenty years.